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Message-ID: <994b268f-ea33-bf82-96ab-c20057ba4930@wanadoo.fr> Date: Sun, 24 Oct 2021 20:18:53 +0200 From: Christophe JAILLET <christophe.jaillet@...adoo.fr> To: Joe Perches <joe@...ches.com>, hch@....de, m.szyprowski@...sung.com, robin.murphy@....com Cc: iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org Subject: Re: [PATCH] dma-mapping: Use 'bitmap_zalloc()' when applicable Le 24/10/2021 à 19:54, Joe Perches a écrit : > On Sun, 2021-10-24 at 19:40 +0200, Christophe JAILLET wrote: >> 'dma_mem->bitmap' is a bitmap. So use 'bitmap_zalloc()' to simplify code, >> improve the semantic and avoid some open-coded arithmetic in allocator >> arguments. > > There is a cocci script for some of these. > > https://lore.kernel.org/all/08b89608cfb1280624d1a89ead6547069f9a4c31.camel@perches.com/ > Hi Joe, yes I know. As it is public, I guess that new comers may have seen it and want to propose patches based on your cocci script. So, for now, I'm more focused on things that are not spotted by your script. I look for places where the size computation is not done within the kmalloc() or eq. function. CJ
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